In 2018, 30 is the most common age for an American (U.S.) Josefina who is registered female with the Social Security Administration. It is the 2, 036th most common female first name for living U.S. citizens.
― Anonymous User 10/18/2018
1
The name Josefina was given to 94 girls born in the US in 2015.
Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars
https://sursassiala.ch/2015/01/15/familienforschung/
https://nossaistorgia.ch/entries/w4LMYvrZ2lW
https://www.portraitarchiv.ch/portrait?page=65